fast Fourier transform based algorithm
MR Butterfly—A fast Fourier Transform Algorithm Based on MapReduce
... Abstract. Based on the research and analysis of the butterfly computing structure of the Cooley-Tukey algorithm, a fast Fourier transform algorithm MR-Butterfly for large data is ...
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Fast Fourier Transform Pipeline Architecture for OFDM
... commonly based on a Fast Fourier Transform (FFT) of some ...configurable algorithm-specific ...the transform length increases the amount of arithmetic involved becomes ...makes ...
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A Space-Frequency Anti-Jamming Algorithm Based on Sub-Band Energy Detection
... anti-jamming algorithm based on sub-band energy detection (SF-SED) is ...the algorithm performs fast Fourier transform (FFT) on the received data of the array antenna and obtains ...
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Review on FPGA based OFDM System Implementation using FFT
... discrete Fourier transform there is an algorithm named as a fast Fourier transform ...a Fourier transform, conversion of time domain signal into frequency domain ...
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A new measurement algorithm for PMU in power system based on all phase Fourier transform
... One new vector estimation approach for phasor measurement units (PMUs) within power system is put forward, which is built upon the basis of apFFT, namely all-phase fast Fourier transform. On account ...
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Enhancement of Retinex Algorithm using Fast Fourier Transform
... corresponding based function and summing the ...of Fourier coefficients are too large to display on the screen, hence these values has to be scaled to bring them within the range of the values that can be ...
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Floating Interpolation Stencil Topology-Based Ie-FFT Algorithm
... equation fast Fourier transform (IE-FFT) is a fast algorithm for 3D electromagnetic scattering and radiation problems based on the interpolation of the Green’s ...the ...
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Parallel algorithm based on Fast Fourier transforms
... the fast Fourier transform (FFT) digital signal processing is the most basic computing, this article describes the beginning of the fast Fourier transform definition and the most ...
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Simulation Analysis of Multiple BP Decoding Algorithm and FFT BP Decoding Algorithm
... decoding algorithm of mul- ti-band LDPC codes is high and is not conducive to hardware implementa- tion, two simplified decoding algorithms for multi-band LDPC codes are stu- died: the reliability propagation ...
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A Modified FFT Algorithm using Pruning Technology Based on OFDM Wireless Communication System
... Abstract-- Fast Fourier transforms (FFT) and Inverse Fast Fourier Transform (IFFT) processing is one of the key procedures in popular orthogonal frequency division multiplexing (OFDM) ...
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Fast Fourier Transform Using Advanced Processor
... size transform, this turns out to be dominating [3, ...FFT based algorithm, since the butterfly at first stage has to take data elements separated N/r distance away from the input sequence, where r ...
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Sublinear Time Numerical Linear Algebra for Structured Matrices
... the fast multiplication algorithm based on the Fast Fourier Transform associated with Vandermonde matrices to reduce the computation of SA to a small number of disjoint ...
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Development of a diagnostic tool based on Continuous Scanning LDV output spectra
... This thesis describes the development of a diagnostic tool using the output spectra of the CSLDV method. The focus of the study lies on cantilever structures, where one end of a beam is clamped, and the other end is ...
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Massively parallel non-stationary EEG data processing on GPGPU platforms with Morlet continuous wavelet transform
... The approaches in wavelet transform family can be of two types, i.e., continuous wavelet transform (CWT) and dis- crete wavelet transform (DWT). The most notable difference between CWT and DWT lies ...
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Recent advances of the signal processing techniques in future smart grids
... Signals in electrical power system are time and frequency dependent. Frequency domain analysis is used to extract features and information for possible transient con- ditions. These transient conditions are associated ...
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Introduction to Fast Fourier Transform in Finance
... The Fourier transform is an important tool in Financial ...volatility. Fourier transform is also rather abstract and therefore o¤-putting to many ...the fast Fourier ...
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A Modified Hilbert Analysis Method to Improve Voice Stress Analysis Systems
... hours based on its complexity which mainly depends upon two main factors, the number of frequencies present in the signal and the process of producing the envelopes for the input signal and its iterations [11 and ...
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Parameterized Spectral Bathymetric Roughness Using the Nonequispaced Fast Fourier Transform
... spectra based on profiles, Fox (1985) and Fox and Hayes (1985) employed a suitable province picker from Davis (1974) and the amplitude spectrum as the statistical indicator of ...2D Fourier technique for ...
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Fast Fourier Transform Approach for Signal Analysis
... In interpretation of result, it is important factor that how FFT shows the results of transform and correctly interpret. Here MS exel® and Matlab® is used for implementation of Radix-2 DIT FFT. Assume in frequency ...
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VLSI Implementation of Pipelined Fast Fourier Transform
... Discrete Fourier transform (DFT) is a very important technique in modern digital signal processing (DSP) and telecommunications, especially for applications in orthogonal frequency demodulation multiplexing ...
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